GI Development

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What gives rise to the glandular epithelium lining that line the pancreas, liver?

Endoderm (correct)
Ectoderm
Mesoderm
Neurocrest

What gives rise to the gut tube?

Endoderm (correct)
Ectoderm
Mesoderm
Neurocrest

What gives rise to the gut tube's mesothelium?

Endoderm
Mesoderm (correct)
Ectoderm
Neurocrest

SANS from neurocrest cells give rise to....

sympathetic chain and aortic associated ganglia (C) Signup and view all the answers

PANS that arise from neurocrest cells give rise to...

postganglionic neurons found in myenteric plexus and submucosal plexus (A) Signup and view all the answers

Where is the ventral mesentery derived from?

septum transversum (C) Signup and view all the answers

What is the function of the ventral mesentery

connects the foregut to the anterior abdominal wall (A) Signup and view all the answers

What structures does the ventral mesentery contain?

liver, gallbladder, cystic duct, hepatic duct, bile duct (B) Signup and view all the answers

What does the ventral mesentery give rise to?

lesser omentum & falciform ligament (A) Signup and view all the answers

Lesser omentum

connects liver and stomach to duodenum (C) Signup and view all the answers

Falciform ligament

connects liver to the anterior abdominal wall (A) Signup and view all the answers

Where is the dorsal mesentery derived from?

Splanchnic mesoderm (A) Signup and view all the answers

By week 5, the dorsal mesentery has the following regions

mesentery proper, dorsal mesogastrium, dorsal mesoduodenum, dorsal mesocolon (D) Signup and view all the answers

What does the mesentery proper contain and what does it suspend?

SMA, suspends midgut off the body wall (A) Signup and view all the answers

What does the hepatic bud give rise to?

hepatocytes (D) Signup and view all the answers

Which structure is suspended by the dorsal mesoduodenum?

Duodenum (C) Signup and view all the answers

What does the dorsal mesocolon suspend in the developing gastrointestinal tract?

Sigmoid colon and rectum (A) Signup and view all the answers

Which component is NOT part of the ventral mesentery?

Dorsal mesogastrium (A) Signup and view all the answers

What is contained within the ventral mesentery?

Liver and biliary tract (B) Signup and view all the answers

Which of the following best describes the mesentery proper?

Suspends the jejunum and ileum along with portions of the colon (C) Signup and view all the answers

Where is the visceral peritoneum derived from?

Splanchnic mesoderm (D) Signup and view all the answers

Where does the parietal peritoneum come from?

Somatic mesoderm (A) Signup and view all the answers

What does the endoderm give rise to?

Parenchyma, glandular epithelium, ducts and epithelial lining of gut tube (C) Signup and view all the answers

Endoderm origin

The source of the glandular epithelium in the pancreas and liver.

Gut tube origin

Developed from endoderm.